Performance by cohort
2 year bands · 2,190 tests
Pass rate climbs 1.6 points across the cohorts — newer Zoe I Iconc Rapid Charge ZE 50 examples clear the test more reliably than the early cars.
Pass
86.9%
Fail
10.9%
PRS
1.9%
Avg mileage at test
30,039 mi
Pass
88.5%
Fail
9.2%
PRS
2.3%
Avg mileage at test
22,681 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.